let x = Math.floor(36.8)
console.log(x)
let y = Math.round(36.8)
console.log(y)
let z = Math.round(36.8)//四舍五入
console.log(z)
let p = Math.pow(10,4)
console.log(p)
let k = Math.sqrt(36)
console.log(k)
let pk = Math.min(2,45,13,52,-8)
console.log(pk)
let a = Math.ceil(36.8)
console.log(a)
